钴钛层柱粘土催化剂催脱除零价汞
更新时间：2014-07-17 10:27
来源：环境工程学报
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阅读：1725
| 中文摘要: |
| 采用钴-钛层柱粘土催化剂，向烟气中添加HCl气体进行零价汞的催化脱除实验研究。考察了反应温度及催化剂的焙烧温度、Ti/粘土、活性组分（Co）负载量等制备条件对零价汞催化脱除效果的影响。研究表明，在HCl含量20×10-6的模拟烟气中，焙烧温度为400℃、Ti/粘土为15 mmol/g、Co含量为5 wt%（以CoO计）的钴钛层柱粘土催化剂（Co-Ti-PILCs）在空速为1.0×104 h-1、温度为300℃时零价汞脱除效率为86.7%。 |
| 英文摘要: |
| An experimental study for the elemental mercury removal by Co-Ti-pillared clays catalysts was conducted in flue gas with the addition of HCl. Reaction temperature, preparing condition including calcination temperature, Ti/clay ratio and metal (Co) loading were investigated for the elemental mercury removal rate of catalysts. The result showed that a mecury removal rate of 86.7% was achieved using the Co-Ti-pillared clays catalysts with Ti/clay ratio of 15 mmol/g, metal loading of 5%(CoO), calcined at 400℃ under the space velocity of 1.0×104 h-1 and reaction temperature of 300℃. |
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